公开(公告)号：US12054468B2

公开(公告)日：2024-08-06

申请号：US17193394

申请日：2021-03-05

Applicant: FUJIFILM Corporation

Inventor： Yuko Suzuki ,  Keisuke Kodama ,  Shunya Katoh

IPC: C07D321/10 ,  C07C49/84 ,  C07C69/92 ,  C09K19/04 ,  C09K19/52

CPC classification number: C07D321/10 ,  C07C49/84 ,  C07C69/92 ,  C09K19/04 ,  C09K2019/0448 ,  C09K19/52 ,  C09K2219/03

Abstract: The present invention provides a compound having an excellent rate of change in HTP due to exposure. The present invention further provides a composition formed of the compound, a cured product, an optically anisotropic body, and a reflective film.
The compound of the present invention is a compound represented by General Formula (1).

公开(公告)号：US11332671B2

公开(公告)日：2022-05-17

申请号：US16701107

申请日：2019-12-02

Applicant: FUJIFILM Corporation

Inventor： Keisuke Kodama ,  Shunya Katoh

IPC: C09K19/58 ,  C09K19/38 ,  G03B21/604

Abstract: A first object of the present invention is to provide a liquid crystal composition capable of forming a reflective layer having excellent diffuse reflectivity. A second object of the present invention is to provide a method for producing a reflective layer having excellent diffuse reflectivity and a reflective layer having excellent diffuse reflectivity. A third object of the present invention is to provide a cured product and an optically anisotropic body, each of which is formed of the liquid crystal composition.
The present invention relates to a liquid crystal composition including a liquid crystal compound; a chiral agent A whose helical twisting power is reduced upon light irradiation; and a chiral agent B which induces a helix in a direction opposite to that of the chiral agent A, in which the liquid crystal compound is cholesterically aligned in the direction of the helix induced by the chiral agent B in a case where the liquid crystal compound is aligned into a cholesteric liquid crystalline phase state.

公开(公告)号：US10543455B2

公开(公告)日：2020-01-28

申请号：US15669968

申请日：2017-08-07

Applicant: FUJIFILM Corporation

Inventor： Satoshi Sano ,  Koji Hironaka ,  Keisuke Kodama

IPC: B01D53/22 ,  B01D69/12 ,  B01D71/10 ,  B01D67/00 ,  C10L3/10 ,  C08B15/00 ,  B01D69/02 ,  B01D71/16 ,  C08B3/22 ,  B01D69/10 ,  B01D71/70

Abstract: A gas separation membrane has a gas separation layer containing a crosslinked cellulose resin. The crosslinked cellulose resin has a particular linking structure in a crosslinked structure. The gas separation layer contains an organic solvent in a particular amount.

公开(公告)号：US10537859B2

公开(公告)日：2020-01-21

申请号：US15806336

申请日：2017-11-08

Applicant: FUJIFILM Corporation

Inventor： Koji Hironaka ,  Satoshi Sano ,  Yusuke Iizuka ,  Sotaro Inomata ,  Keisuke Kodama ,  Tetsu Kitamura

IPC: B01D71/64 ,  B01D53/22 ,  B01D69/02 ,  B01D69/12 ,  C08G73/10

Abstract: A gas separation membrane includes a gas separation layer containing a polyimide compound having a repeating unit represented by Formula (I), in Formula (I), RI represents a hydrogen atom, an alkyl group, or a halogen atom, Xa represents a sulfamoyl group, an alkoxysulfonyl group, a carboxy group, a hydroxy group, an acyloxy group, or a halogen atom, and R represents a mother nucleus having a specific structure.

公开(公告)号：US10507437B2

公开(公告)日：2019-12-17

申请号：US15679159

申请日：2017-08-17

Applicant: FUJIFILM Corporation

Inventor： Satoshi Sano ,  Koji Hironaka ,  Keisuke Kodama

IPC: C08G77/20 ,  C08G77/28 ,  B01D71/70 ,  B01D53/22 ,  B01D69/12 ,  B32B27/00 ,  B01D61/36 ,  B01D71/12 ,  C10L3/10 ,  B01D69/02 ,  B01D69/10 ,  C07C7/144 ,  C08L1/12 ,  C08L1/14 ,  C09D183/06 ,  B01D71/10 ,  C01B32/55 ,  B01D53/14 ,  C07C9/04 ,  C08B3/00 ,  C08G77/04

Abstract: A gas separation membrane has a gas separation layer containing a cellulose resin, and an organopolysiloxane compound layer disposed on the gas separation layer in which Si ratio of the organopolysiloxane compound layer after immersion in chloroform to the organopolysiloxane compound layer before immersion in chloroform, the Si ratio being calculated by Mathematical expression (I), is 0.6 to 1.0. Si ratio=(Si—Kα X-ray intensity after immersion in chloroform)/(Si—Kα X-ray intensity before immersion in chloroform)  Mathematical expression (I)

公开(公告)号：US10279342B2

公开(公告)日：2019-05-07

申请号：US15251055

申请日：2016-08-30

Applicant: FUJIFILM Corporation

Inventor： Sotaro Inomata ,  Keisuke Kodama ,  Satoshi Sano ,  Kuniyuki Kaminaga

IPC: B01J41/14 ,  B01D69/10 ,  C08F220/56 ,  B01D69/02 ,  B01D71/80 ,  C08J5/22 ,  B01D71/40 ,  B01J47/12 ,  C08F222/38 ,  H01M8/1023 ,  C08F220/60 ,  H01M8/1072 ,  H01M8/22 ,  H01M8/1018

Abstract: There are provided an ion-exchange polymer including a structure represented by the following General Formula (1) and a production method therefor, an electrolyte membrane and a production method therefor, and a composition for producing an ion-exchange polymer. In a case where the sum of a1, b1, and c1 is 1.000, a1 is 0.000 to 0.750, b1 is 0.240 to 0.990, and c1 is 0.001 to 0.100. L represents an alkylene group, L1 and L2 each represent a divalent linking group, R1 is a hydrogen atom or an alkyl group, R2 and R3 each represent an alkyl group or an allyl group, X1− and X2− each represent an inorganic or organic anion, and Y represents a halogen atom. Z1 represents —O— or —NRa—, and Ra represents a hydrogen atom or an alkyl group.

公开(公告)号：US20180147546A1

公开(公告)日：2018-05-31

申请号：US15879446

申请日：2018-01-25

Applicant: FUJIFILM Corporation

Inventor： Keisuke Kodama ,  Akihiro Sugita ,  Kimiko Iwahashi

IPC: B01D71/70 ,  B01D69/12 ,  C08J3/24 ,  C08K5/00 ,  C08G77/20 ,  C08L83/06 ,  C08L79/08

CPC classification number: B01D71/70 ,  B01D53/228 ,  B01D67/0088 ,  B01D69/02 ,  B01D69/12 ,  B01D69/125 ,  B01D2256/245 ,  B01D2257/504 ,  B01D2258/0233 ,  B01D2258/025 ,  B01D2258/0283 ,  B01D2258/05 ,  B01D2323/30 ,  B01D2325/06 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08G77/12 ,  C08G77/20 ,  C08J3/24 ,  C08K5/0025 ,  C08L79/08 ,  C08L83/06 ,  C09D183/04 ,  Y02C20/20 ,  C08K5/56 ,  C08L83/00

Abstract: The method for producing a gas separation composite membrane includes applying a mixed liquid containing compounds (a) and (b) below onto a porous support to form a coating film and curing the coating film to form a crosslinked polysiloxane compound layer: (a) a particular crosslinkable polysiloxane compound having a structural unit (a1), a structural unit (a2), and a structural unit (a3) or (a4), and (b) a particular crosslinkable polysiloxane compound having a structural unit (b1), a structural unit (b2), and a structural unit (b3) or (b4), where R1a to R1f and R2a to R2f represent a particular group and * represents a particular linking site.

公开(公告)号：US11860338B2

公开(公告)日：2024-01-02

申请号：US17670921

申请日：2022-02-14

Applicant: FUJIFILM Corporation

Inventor： Akira Maruyama ,  Keisuke Kodama ,  Tetsuro Otsuka ,  Hiroyuki Hagio ,  Yuta Takahashi ,  Shinpei Yoshida ,  Satoshi Yanokuchi

IPC: G02B1/11 ,  G02F1/137 ,  C09K19/04 ,  G02F1/1337 ,  H01J49/40

CPC classification number: G02B1/11 ,  C09K19/04 ,  G02F1/13706 ,  G02F1/13712 ,  G02F1/133711 ,  H01J49/40 ,  C09K2019/0448 ,  G02F2202/022

Abstract: Provided is an optical film with a resin substrate adhered to an optically anisotropic layer and suppression of occurrence of optical defects in the optically anisotropic layer. The optical film has a resin substrate having an alignment regulating force and an optically anisotropic layer arranged thereon, in which the optically anisotropic layer contains a liquid crystal compound and a compound having a heteroatom different from the liquid crystal compound, and in a case where a surface of the optical film on an optically anisotropic layer side thereof is a first surface and a surface of the optical film on a resin substrate side thereof is a second surface, and components of the optical film in a depth direction are analyzed by time-of-flight secondary ion mass spectrometry while irradiating the optical film with an ion beam from the first surface toward the second surface, the obtained profile satisfies a predetermined requirement.

公开(公告)号：US11732194B2

公开(公告)日：2023-08-22

申请号：US17028823

申请日：2020-09-22

Applicant: FUJIFILM Corporation

Inventor： Keisuke Kodama ,  Mitsuyoshi Ichihashi ,  Shunya Katoh ,  Takeshi Nakamori

IPC: G02B5/08 ,  C09K19/58 ,  B42D25/328 ,  G02B5/30 ,  C09K19/36 ,  G01N21/21 ,  C09K19/20

CPC classification number: C09K19/586 ,  B42D25/328 ,  G02B5/3016 ,  C09K19/36 ,  C09K2019/2078 ,  G01N21/21 ,  G01N2021/216 ,  G01N2201/0683 ,  G02B5/0841 ,  B42D25/328 ,  B42D25/30

Abstract: Provided are a cholesteric liquid crystal layer having an excellent reflection anisotropy, a low haze, and a high circular polarization degree of reflected light, and a method for producing the same. In addition, provided are a laminate, an optically anisotropic body, and a reflective film, each of which including the cholesteric liquid crystal layer. A cholesteric liquid crystal layer formed using a liquid crystal compound, in which, in at least one main plane out of a pair of main planes of the cholesteric liquid crystal layer, a direction of a molecular axis of the liquid crystal compound changes while continually rotating along at least one in-plane direction, the molecular axis of the liquid crystal compound is tilted with respect to the main plane of the cholesteric liquid crystal layer, and an arrangement direction of bright portions and dark portions derived from the cholesteric liquid crystalline phase, as observed under a scanning electron microscope in a cross section perpendicular to the main plane, is tilted with respect to the main plane of the cholesteric liquid crystal layer.

公开(公告)号：US11592703B2

公开(公告)日：2023-02-28

申请号：US17850392

申请日：2022-06-27

Applicant: FUJIFILM Corporation

Inventor： Yuta Fukushima ,  Keisuke Kodama ,  Yoshinori Maeda ,  Akira Maruyama ,  Yuki Nakamura ,  Shunya Katoh ,  Yuta Takahashi

IPC: G02F1/1335 ,  G02F1/1337 ,  G02B5/30 ,  C09D125/06 ,  C09D123/08 ,  C09K19/20 ,  C09K19/32 ,  C09K19/58

Abstract: Provided are an optical film, a circularly polarizing plate, and an image display apparatus in each of which the occurrence of cracks is suppressed in the obtained film in a case of being punched. The optical film includes a stretched resin film and a liquid crystal layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending along a direction in thickness, in which a δa value calculated using a three-dimensional solubility parameter of a resin in the stretched resin film is 8.0 MPa1/2 or less, the liquid crystal layer contains a cured substance of a polyfunctional compound having two or more polymerizable groups in one molecule, and an absolute value of a difference between the δa value calculated using the three-dimensional solubility parameter of the polyfunctional compound and the δa value calculated using the three-dimensional solubility parameter of the resin is 4.0 MPa1/2 or less.